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Molecular and Cellular Neuroscience Commons

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Full-Text Articles in Molecular and Cellular Neuroscience

Molecular Mechanism(S) Of Zika Virus Infection And Associated Neuropathogenesis, Chet Raj Ojha May 2019

Molecular Mechanism(S) Of Zika Virus Infection And Associated Neuropathogenesis, Chet Raj Ojha

FIU Electronic Theses and Dissertations

Zika virus (ZIKV), a mosquito-borne flavivirus, is known to induce various neurodevelopmental disorders including microcephaly and growth retardation in newborns from infected mothers. However, the exact mechanism of ZIKV-associated neurodevelopmental disorders is still unknown. The study was aimed at identifying the molecular mechanism(s) of ZIKV infection using in-vitro and in vivo methods. Using three isolated strains of ZIKV (MR766, R103451, and PRVABC59), we show that the Asian strains of ZIKV are more infective and toxic to glial cells and neurons compared to the African strain. Infection by PRVABC59 induces markedly higher release of inflammatory molecules; IP10, RANTES, IL-6, and IFN-β. …


Investigating The Role Of Tp53inp1 And Tp53inp2 In Neuronal Autophagy And Mitophagy, Vidhyasree Shyam Jan 2019

Investigating The Role Of Tp53inp1 And Tp53inp2 In Neuronal Autophagy And Mitophagy, Vidhyasree Shyam

Electronic Thesis and Dissertation Repository

Autophagy is highly conserved cellular process that functions in ensuring the turnover of proteins and organelles in a number of different cell types. Mitophagy is a selective form of autophagy which serves to target and rid the cell of damaged or superfluous mitochondria. The process is central to preventing the accumulation of defective mitochondria and is particularly important in neurons, which rely exclusively on mitochondria to sustain their immense metabolic needs. Dysregulation of autophagy is believed to contribute to the neurodegeneration seen in such disorders as Parkinson’s disease and cerebral ischemia. However, further understanding of the role of neuronal autophagy …


A Composite Review Of The Proposed Molecular Mechanisms And Genetic Components Underlying Parkinson’S Disease, Paige Brodrick Jan 2019

A Composite Review Of The Proposed Molecular Mechanisms And Genetic Components Underlying Parkinson’S Disease, Paige Brodrick

Scripps Senior Theses

Parkinson’s disease (PD) is a progressive neurodegenerative disorder characterized by the progressive death of dopaminergic neurons present in the substantia nigra. The clinical presentation of PD includes tremors, slowed movement (bradykinesia), muscle and limb rigidity, and difficulty with walking and balancing. While many environmental factors can affect the onset and progression of the disease, genetic mutations have a large influence. Of the identified PD-linked genetic mutations, mutations in the leucine-rich repeat kinase 2 (LRRK2) are one of the most common genetic causes of PD. Located in endosomes, LRRK2 has been shown to play a role in the sorting and endocytosis …